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#ifndef DECODER_H
#define DECODER_H
#include <boost/shared_ptr.hpp>
#include <string>
//! Interface for classes outputting raw audio.
class RawAudioSource {
protected:
int samplerate;
int channels;
public:
typedef boost::shared_ptr<RawAudioSource> p;
//! Virtual destructor.
virtual ~RawAudioSource() {}
//! Read into provided buffer.
virtual std::size_t read(char* buf, std::size_t buf_size) = 0;
//! Return sample rate.
int get_samplerate() { return samplerate; }
//! Return number of channels.
int get_channels() { return channels; }
};
//! Decoder base class.
class Decoder : public RawAudioSource {
public:
typedef boost::shared_ptr<Decoder> p;
//! Initialize decoders.
static void init();
//! Construct and return requested decoder.
static p get(const std::string& name, const std::string& filename);
};
#endif
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